at45db321c ATMEL Corporation, at45db321c Datasheet - Page 19

• Manufacturer Part Number: at45db321c
• Description: 32-megabit 2.7 Volt Dataflash At45db321c For New Designs Use At45db321d
• Manufacturer: ATMEL Corporation

Table 9-3.
Notes:
3387M–DFLASH–2/08
Command
Main Memory Page to Buffer 1 Transfer
Main Memory Page to Buffer 2 Transfer
Main Memory Page to Buffer 1 Compare
Main Memory Page to Buffer 2 Compare
Auto Page Rewrite Through Buffer 1
Auto Page Rewrite Through Buffer 2
Security Register Program
Security Register Read
1. This command should be used for applications requiring a high number of random page writes within a sector.
2. The Security Register Program command utilizes data stored in Buffer 1. Therefore, this command must be used in conjunc-
Page Rewrite” on page 8.
tion with the Buffer 1 write command. See
Additional Commands
(2)
(1)
(1)
“Security Register” on page 14
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
SCK Mode
for details.
AT45DB321C
Opcode
53H
55H
58H
59H
9AH
77H
60H
61H
See “Auto
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